Rutherfordium

104 lawrencium ← rutherfordium → dubnium
Hf
↑
Rf
↓
(Upq)
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom rutherfordium, Rf, 104
Dhèrèt kimia logam transisi
Golongan, Période, Blok 4, 7, d
Massa atom [267] g/mol
Konfigurasi elektron [Rn] 5f14 6d2 7s2
Cacahing èlèktron saben kulit 2, 8, 18, 32, 32, 10, 2
Ciri-ciri fisik
Fase presumably a padhet
Massa jenis (watara suhu kamar) ora dimangertèni g/cm³
Ciri-ciri atom
Struktur kristal ora dimangertèni
Bilangan oksidasi 4
Energi ionisasi pertama: ora dimangertèni kJ/mol
Jari-jari atom (terhitung) ora dimangertèni pm
Jari-jari kovalen ora dimangertèni pm
Lain-lain
Nomor CAS 53850-36-5
Isotop
iso NA waktu paruh DM DE (MeV) DP
267Rf syn 1.3 h SF
263mRf syn ~15 m SF
α 7.90 ?
263gRf syn 8 s SF
262Rf syn 2.1 s SF
261mRf syn 1.1 m α 8.28 257No
261gRf syn 3.7 s 83% SF
17% α 8.52 257No
260Rf syn 20 ms SF
259Rf syn 3.1 s 93% α 8.87,8.77 255No
7% SF
258Rf syn 13 ms SF
257mRf syn 4.0 s α 9.02,8.97 253No
257gRf syn 3.5 s 89% α 8.90,8.78,8.52,8.28 253No
11% ε 257Lr
256Rf syn 6.2 ms 99.7% SF
0.3% α 8.79 252No
255Rf syn 1.8 s ~50% α 8.81,8.77,8.74,8.71 251No
~50% SF
254Rf syn 0.022 ms SF
253Rf syn 0.048 ms SF
Referensi

Rutherfordium (uniné /ˌrʌðɚˈfɔrdiəm/) iku unsur kimia sajeroning Tabel périodik kanthi simbul Rf lan nomer atom 104.

Sintesis isotop minangka produk turunan (decay)

Sisa/residu Evaporasi Isotop Rf kang katon
288115 268Rf (manawa EC saka 268Db)
291116, 287114, 283112 267Rf
282113 266Rf (EC of 266Db)
271Hs 263gRf
263Db 263mRf (EC of 263Db)
266Sg (possibly 266mSg) 262Rf (possibly 262mRf)
277112, 273Ds, 269Hs, 265Sg 261mRf, 261Rf
271Ds, 267Hs, 263Sg 259Rf
269Ds, 265Hs, 261Sg 257Rf
264Hs, 260Sg 256Rf
259Sg 255Rf

Kronologi temon isotop

Isotop Taun tinemu reaksi
253Rf 1994 204Pb(50Ti,n) [1]
254Rf 1994 206Pb(50Ti,2n) [1]
255Rf 1974? 1985 207Pb(50Ti,2n)
256Rf 1974? 1985 208Pb(50Ti,2n)
257Rfg,m 1969 249Cf(12C,4n) [2]
258Rf 1969 249Cf(13C,4n) [2]
259Rf 1969 249Cf(13C,3n) [2]
260Rf 1969 248Cm(16O,4n)
261Rfm 1970 248Cm(18O,5n) [3]
261Rfg 1996 208Pb(70Zn,n) [4]
262Rf 1996 244Pu(22Ne,4n) [5]
263Rfm 1990? 248Cm(18O,3n)
263Rfg 2004 248Cm(26Mg,3n) [6]
264Rf unknown
265Rf unknown
266Rf 2006? 237Np(48Ca,3n) [7]
267Rf 2003/2004 238U(48Ca,3n) [4]
268Rf 2003? 243Am(48Ca,3n) [8]

Kasil kimia saka isotop

Fusi adhem

Proyektil Target CN 1n 2n 3n
50Ti 208Pb 258Rf 38.0 nb, 17.0 MeV 12.3 nb, 21.5 MeV 660 pb, 29.0 MeV
50Ti 207Pb 257Rf 4.8 nb
50Ti 206Pb 256Rf 800 pb, 21.5 MeV 2.4 nb, 21.5 MeV
50Ti 204Pb 254Rf 190 pb, 15.6 MeV
48Ti 208Pb 256Rf 380 pb, 17.0 MeV

Fusi panas

Proyektil Target CN 3n 4n 5n
26Mg 238U 264Rf 240 pb 1.1 nb
22Ne 244Pu 266Rf + 4.0 nb
18O 248Cm 266Rf + 13.0 nb

Rujukan

  1. ↑ a b Pélik sitiran: Tenger <ref> kanthi jeneng 97He01 ora bisa dipratuduhaké amarga diwedharaké sajabané pérangan sing saiki utawa ora diwedharaké babar pisan.
  2. ↑ a b c Pélik sitiran: Tenger <ref> kanthi jeneng 69Gh01 ora bisa dipratuduhaké amarga diwedharaké sajabané pérangan sing saiki utawa ora diwedharaké babar pisan.
  3. ↑ Pélik sitiran: Tenger <ref> kanthi jeneng 70Gh01 ora bisa dipratuduhaké amarga diwedharaké sajabané pérangan sing saiki utawa ora diwedharaké babar pisan.
  4. ↑ a b see kopernisium
  5. ↑ Pélik sitiran: Tenger <ref> kanthi jeneng 96La01 ora bisa dipratuduhaké amarga diwedharaké sajabané pérangan sing saiki utawa ora diwedharaké babar pisan.
  6. ↑ see hassium
  7. ↑ see ununtrium
  8. ↑ see ununpentium

Pranala njaba

Golongan → 1 2
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Période ↓
1 1
H
2
He
2 3
Li		 4
Be

5
B		 6
C		 7
N		 8
O		 9
F		 10
Ne
3 11
Na		 12
Mg

13
Al		 14
Si		 15
P		 16
S		 17
Cl		 18
Ar
4 19
K		 20
Ca
21
Sc		 22
Ti		 23
V		 24
Cr		 25
Mn		 26
Fe		 27
Co		 28
Ni		 29
Cu		 30
Zn		 31
Ga		 32
Ge		 33
As		 34
Se		 35
Br		 36
Kr
5 37
Rb		 38
Sr
39
Y		 40
Zr		 41
Nb		 42
Mo		 43
Tc		 44
Ru		 45
Rh		 46
Pd		 47
Ag		 48
Cd		 49
In		 50
Sn		 51
Sb		 52
Te		 53
I		 54
Xe
6 55
Cs		 56
Ba		 *
 71
Lu		 72
Hf		 73
Ta		 74
W		 75
Re		 76
Os		 77
Ir		 78
Pt		 79
Au		 80
Hg		 81
Tl		 82
Pb		 83
Bi		 84
Po		 85
At		 86
Rn
7 87
 Fr 		 88
Ra		 **
 103
Lr		 104
Rf		 105
Db		 106
Sg		 107
Bh		 108
Hs		 109
Mt		 110
Ds		 111
Rg		 112
Cn		 113
Nh		 114
Fl		 115
Mc		 116
Lv		 117
Ts		 118
Og

* Lantanida 57
La		 58
Ce		 59
Pr		 60
Nd		 61
Pm		 62
Sm		 63
Eu		 64
Gd		 65
Tb		 66
Dy		 67
Ho		 68
Er		 69
Tm		 70
Yb
** Aktinida 89
Ac		 90
Th		 91
Pa		 92
U		 93
Np		 94
Pu		 95
Am		 96
Cm		 97
Bk		 98
Cf		 99
Es		 100
Fm		 101
Md		 102
No
Seri Kimia saka Tabel Périodik
Logam alkali Alkali tanah Lantanida Aktinida Logam transisi
Logam Metaloid Nonlogam Halogen Gas mulia